Drivers may need to do some work once an address handle has been
created. Add a driver function for this purpose.
Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
Reviewed-by: Harish Chegondi <harish.chegondi@xxxxxxxxx>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>
---
drivers/infiniband/sw/rdmavt/ah.c | 7 +++++-
include/rdma/rdma_vt.h | 41 +++++++++++++++++++++++--------------
2 files changed, 30 insertions(+), 18 deletions(-)
diff --git a/drivers/infiniband/sw/rdmavt/ah.c b/drivers/infiniband/sw/rdmavt/ah.c
index 2519db9..621afc3 100644
--- a/drivers/infiniband/sw/rdmavt/ah.c
+++ b/drivers/infiniband/sw/rdmavt/ah.c
@@ -83,8 +83,8 @@ int rvt_check_ah(struct ib_device *ibdev,
!(ah_attr->ah_flags & IB_AH_GRH))
return -EINVAL;
}
- if (rdi->driver_f.check_ah(ibdev, ah_attr))
- return -EINVAL;
+ if (rdi->driver_f.check_ah)
+ return rdi->driver_f.check_ah(ibdev, ah_attr);
return 0;
}
EXPORT_SYMBOL(rvt_check_ah);
@@ -123,6 +123,9 @@ struct ib_ah *rvt_create_ah(struct ib_pd *pd,
ah->attr = *ah_attr;
atomic_set(&ah->refcount, 0);
+ if (dev->driver_f.notify_new_ah)
+ dev->driver_f.notify_new_ah(pd->device, ah_attr, ah);
+
return &ah->ibah;
}
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index a3d6a5b..ef66d2b 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -467,9 +467,21 @@ struct rvt_driver_params {
int nports;
};
-/*
- * Functions that drivers are required to support
- */
+/* Protection domain */
+struct rvt_pd {
+ struct ib_pd ibpd;
+ int user; /* non-zero if created from user space */
+};
+
+/* Address handle */
+struct rvt_ah {
+ struct ib_ah ibah;
+ struct ib_ah_attr attr;
+ atomic_t refcount;
+ u8 vl;
+ u8 log_pmtu;
+};
+
struct rvt_dev_info;
struct rvt_driver_provided {
/*
@@ -478,23 +490,20 @@ struct rvt_driver_provided {
* instead drivers are responsible for setting the correct callback for
* this.
*/
+
+ /* -------------------*/
+ /* Required functions */
+ /* -------------------*/
int (*port_callback)(struct ib_device *, u8, struct kobject *);
const char * (*get_card_name)(struct rvt_dev_info *rdi);
struct pci_dev * (*get_pci_dev)(struct rvt_dev_info *rdi);
- int (*check_ah)(struct ib_device *, struct ib_ah_attr *);
-};
-/* Protection domain */
-struct rvt_pd {
- struct ib_pd ibpd;
- int user; /* non-zero if created from user space */
-};
-
-/* Address handle */
-struct rvt_ah {
- struct ib_ah ibah;
- struct ib_ah_attr attr;
- atomic_t refcount;
+ /*--------------------*/
+ /* Optional functions */
+ /*--------------------*/
+ int (*check_ah)(struct ib_device *, struct ib_ah_attr *);
+ void (*notify_new_ah)(struct ib_device *, struct ib_ah_attr *,
+ struct rvt_ah *);
};
struct rvt_dev_info {
--
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